@echo off :: 檢測IP格式是否標準 :: code by jm 2006-10-23 :begin cls set input= set /p input=請輸入IP： echo %input%|findstr "^[0-9]*/.[0-9]*/.[0-9]*/.[0-9]*$">nul||goto fail set _input=%input:.= % call :check %_input%
:check if "%4"=="" goto fail for %%i in (%1 %2 %3 %4) do ( if %%i gtr 255 goto fail ) cls echo %input% 是正確的IP echo. pause goto begin
:fail cls echo %input% 是錯誤的IP echo. pause goto begin
